value	unc_up	unc_lo	author	ref	method
6.25	0.062	0.062	Masiero	2011ApJ...741...68M	NEATM
6.81	1.820	1.820	Nugent	2016AJ....152...63N	NEATM
7.37	2.240	2.240	Nugent	2016AJ....152...63N	NEATM